產品詳細資料

Number of series cells 2 Charge current (max) (A) 2 Vin (max) (V) 6.2 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 6.8 Battery charge voltage (max) (V) 9.2 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Boost Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Integrated LDO, Power Path, USB C/PD compatible, USB D+/D-/BC1.2 integrated, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.9 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 2 Charge current (max) (A) 2 Vin (max) (V) 6.2 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 6.8 Battery charge voltage (max) (V) 9.2 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Boost Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Integrated LDO, Power Path, USB C/PD compatible, USB D+/D-/BC1.2 integrated, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.9 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YFF) 25 4.84 mm² 2.2 x 2.2
  • High-efficiency 2-A, 1.5-MHz switch mode boost charger
    • 92.5% Charge efficiency at 7.6-V battery, 1-A charge
    • Optimized for USB input and 2-cell Li-Ion output
    • Selectable low power PFM mode for light load operation with out-of-audio option
  • USB On-the-Go (OTG) with adjustable output from 4.5 V to 5.5 V
    • Buck converter with up-to 2-A output
    • 94.5% Efficiency at 5-V, 1-A output
    • Accurate constant current (CC) limit
    • Output short protection
    • Selectable low power PFM mode for light load operation with out-of-audio option
  • Single Input to support USB input adapters
    • Supports 3.9-V to 6.2-V input voltage range with 20-V absolute maximum input voltage rating
    • Input current limit (500 mA to 3.3 A with 100-mA resolution) to support USB2.0, USB3.0 standard adapters
    • Maximum power tracking by input voltage limit up-to 5.5 V
    • Auto-detect USB SDP, CDP, DCP, and non-standard adapters
  • Input current optimizer (ICO) to maximize input power without overloading adapters
  • Highest battery discharge efficiency with 15-mΩ battery discharge MOSFET
  • Integrated ADC for system monitoring (BUS voltage and current, BAT voltage, charge current, SYS voltage, and NTC and die temperature)
  • Narrow VDC (NVDC) power path management
    • Instant-on works with no battery or deeply discharged battery
    • Ideal diode operation in battery supplement mode
  • Flexible autonomous and I2C mode for optimal system performance
  • High integration includes all MOSFETs, current sensing and loop compensation
  • High accuracy
    • ±0.4% Charge voltage regulation
    • ±7.5% Charge current regulation
    • ±7.5% Input current regulation
  • Safety
    • Battery temperature sensing in charge and OTG buck mode
    • Thermal regulation and thermal shutdown
  • High-efficiency 2-A, 1.5-MHz switch mode boost charger
    • 92.5% Charge efficiency at 7.6-V battery, 1-A charge
    • Optimized for USB input and 2-cell Li-Ion output
    • Selectable low power PFM mode for light load operation with out-of-audio option
  • USB On-the-Go (OTG) with adjustable output from 4.5 V to 5.5 V
    • Buck converter with up-to 2-A output
    • 94.5% Efficiency at 5-V, 1-A output
    • Accurate constant current (CC) limit
    • Output short protection
    • Selectable low power PFM mode for light load operation with out-of-audio option
  • Single Input to support USB input adapters
    • Supports 3.9-V to 6.2-V input voltage range with 20-V absolute maximum input voltage rating
    • Input current limit (500 mA to 3.3 A with 100-mA resolution) to support USB2.0, USB3.0 standard adapters
    • Maximum power tracking by input voltage limit up-to 5.5 V
    • Auto-detect USB SDP, CDP, DCP, and non-standard adapters
  • Input current optimizer (ICO) to maximize input power without overloading adapters
  • Highest battery discharge efficiency with 15-mΩ battery discharge MOSFET
  • Integrated ADC for system monitoring (BUS voltage and current, BAT voltage, charge current, SYS voltage, and NTC and die temperature)
  • Narrow VDC (NVDC) power path management
    • Instant-on works with no battery or deeply discharged battery
    • Ideal diode operation in battery supplement mode
  • Flexible autonomous and I2C mode for optimal system performance
  • High integration includes all MOSFETs, current sensing and loop compensation
  • High accuracy
    • ±0.4% Charge voltage regulation
    • ±7.5% Charge current regulation
    • ±7.5% Input current regulation
  • Safety
    • Battery temperature sensing in charge and OTG buck mode
    • Thermal regulation and thermal shutdown

The BQ25882 is a highly-integrated 2-A switch-mode battery charge management and system power path management device for dual-cell Li-Ion and Li-polymer batteries. The I2C Serial interface with charging and system settings makes the device a truly flexible solution.

The BQ25882 is a highly-integrated 2-A switch-mode battery charge management and system power path management device for dual-cell Li-Ion and Li-polymer batteries. The I2C Serial interface with charging and system settings makes the device a truly flexible solution.

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* Data sheet BQ25882 I2C Controlled, 2-Cell, 2-A Boost-Mode Battery Charger For USB Input datasheet (Rev. C) PDF | HTML 2019年 7月 29日
Application note State of Charge Estimation Using Smart Battery Charger PDF | HTML 2021年 10月 11日
Technical article Battery-charging tips for video doorbell applications PDF | HTML 2019年 4月 15日
Technical article 4 Reasons why you should use a boost charger for 2-cell battery application PDF | HTML 2019年 4月 3日
User guide bq2588x Boosting Battery Chargers Evaluation Module User's Guide (Rev. A) 2018年 8月 21日

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